516040777 has 24 divisors (see below), whose sum is σ = 612428544. Its totient is φ = 425733312.

The previous prime is 516040769. The next prime is 516040781. The reversal of 516040777 is 777040615.

It is not a de Polignac number, because 516040777 - 2³ = 516040769 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (516040177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3766653 + ... + 3766789.

It is an arithmetic number, because the mean of its divisors is an integer number (25517856).

Almost surely, 2^516040777 is an apocalyptic number.

It is an amenable number.

516040777 is a deficient number, since it is larger than the sum of its proper divisors (96387767).

516040777 is a wasteful number, since it uses less digits than its factorization.

516040777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 516040777 is about 22716.5309191346. The cubic root of 516040777 is about 802.0990589765.

The spelling of 516040777 in words is "five hundred sixteen million, forty thousand, seven hundred seventy-seven".